gpu: Change Produce/ConsumeTexture to allow texture sharing

gpu/command_buffer/service/gl_context_virtual.cc

Index: gpu/command_buffer/service/gl_context_virtual.cc
diff --git a/gpu/command_buffer/service/gl_context_virtual.cc b/gpu/command_buffer/service/gl_context_virtual.cc
index d142e01fb13a567d945674d6a5980d97636d8c54..cdbbf68b2d5931b34e58d00e72e798704ee96632 100644
--- a/gpu/command_buffer/service/gl_context_virtual.cc
+++ b/gpu/command_buffer/service/gl_context_virtual.cc
@@ -68,8 +68,8 @@ void GLContextVirtual::ReleaseCurrent(gfx::GLSurface* surface) {
 bool GLContextVirtual::IsCurrent(gfx::GLSurface* surface) {
   // If it's a real surface it needs to be current.
   if (surface &&
-      !surface->GetBackingFrameBufferObject() &&
-      !surface->IsOffscreen())
+      !surface->IsOffscreen() &&
+      !surface->GetBackingFrameBufferObject())
     return shared_context_->IsCurrent(surface);
 
   // Otherwise, only insure the context itself is current.